80456429440

素因数分解:

$2^7\times 5^1\times {\mathrm{125713171}}^1$

素因数の和:125713190

約数の個数: 32

約数和(自身を含む): 192341153160

約数和(自身を除く): 111884723720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 125713171, 251426342, 502852684, 628565855, 1005705368, 1257131710, 2011410736, 2514263420, 4022821472, 5028526840, 8045642944, 10057053680, 16091285888, 20114107360, 40228214720, 80456429440]

約数ペア:

[(1, 80456429440), (2, 40228214720), (4, 20114107360), (5, 16091285888), (8, 10057053680), (10, 8045642944), (16, 5028526840), (20, 4022821472), (32, 2514263420), (40, 2011410736), (64, 1257131710), (80, 1005705368), (128, 628565855), (160, 502852684), (320, 251426342), (640, 125713171)]